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參數(shù)資料
| 型號： | FDG901 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Slew Rate Control Driver IC for P-Channel MOSFETs |
| 中文描述： | 轉(zhuǎn)換率控制驅(qū)動集成電路的P通道MOSFET |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 205K |
| 代理商： | FDG901 |
FDG901D rev. D (W)
The Slew Rate Control Driver (FDG901D) is designed to give a programmed choice of one of
three steady dv/dt states on the output during turn-on. To change the dv/dt value, the user needs
to use the Slew Rate Control Pin (Pin 2). To utilize the smallest current setting (
≈
10 nA) from the
IC, a voltage equal to Vdd must be applied to the Slew Rate Control Pin 2. To use the next
higher current setting (
≈
1 μA) a voltage equal to Ground must be applied to Pin 2. To achieve the
highest current setting (
≈
80 μA) or obtain a faster switching speed, the Slew Rate Pin2 must be
open (floating). A higher value of capacitance will result in a slower switching rate. To determine
the switching times of each setting use the simple equation:
Q
t
=
G
g
I
where Q
g
is the Gate charge in nC for a given MOSFET and I
G
is the gate current controlled by
the slew rate pin.
Below is a captured image from an oscilloscope depicting the device response. The FDG901D
was connected to control an FDG258P P-Channel DMOS. The Slew Rate control pin was set to
open (floating state).
Circuit waveforms for an FDG901D controlling a P-Channel FDG258P MOSFET.
R
LOAD
= 1.5
V
IN
= 5.5V
Test Conditions:
V
DD
= 5.5V
V
RLoad
V
gate
(inverted)
V
IN
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| FDG901D | 功能描述:開關變換器、穩(wěn)壓器與控制器 Control Driver IC P-Ch Slew Rate RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FDG901D_Q | 功能描述:電源開關 IC - 配電 Control Driver IC P-Ch Slew Rate RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| FDG910D | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FDG-E1-D01-0S | 制造商:Fraen Corporation 功能描述:FDG Series Lenses For OSRAM Golden Dragontm LEDs |
| FDG-E1-D01-HS | 制造商:Fraen Corporation 功能描述:FDG Series Lenses For OSRAM Golden Dragontm LEDs |
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